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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * -------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * XYAreaRenderer.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * -------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2011, by Hari and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  Hari (ourhari@hotmail.com);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Richard Atkinson;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Christian W. Zuckschwerdt;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Martin Krauskopf;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *<a name="line.37"></a>
<span class="sourceLineNo">038</span> * Changes:<a name="line.38"></a>
<span class="sourceLineNo">039</span> * --------<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 03-Apr-2002 : Version 1, contributed by Hari.  This class is based on the<a name="line.40"></a>
<span class="sourceLineNo">041</span> *               StandardXYItemRenderer class (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 09-Apr-2002 : Removed the translated zero from the drawItem method -<a name="line.42"></a>
<span class="sourceLineNo">043</span> *               overridden the initialise() method to calculate it (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 30-May-2002 : Added tool tip generator to constructor to match super<a name="line.44"></a>
<span class="sourceLineNo">045</span> *               class (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 25-Jun-2002 : Removed unnecessary local variable (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 05-Aug-2002 : Small modification to drawItem method to support URLs for HTML<a name="line.47"></a>
<span class="sourceLineNo">048</span> *               image maps (RA);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 07-Nov-2002 : Renamed AreaXYItemRenderer --&gt; XYAreaRenderer (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 25-Mar-2003 : Implemented Serializable (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 01-May-2003 : Modified drawItem() method signature (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 27-Jul-2003 : Made line and polygon properties protected rather than<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               private (RA);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 30-Jul-2003 : Modified entity constructor (CZ);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 07-Oct-2003 : Added renderer state (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 08-Dec-2003 : Modified hotspot for chart entity (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 10-Feb-2004 : Changed the drawItem() method to make cut-and-paste overriding<a name="line.60"></a>
<span class="sourceLineNo">061</span> *               easier.  Also moved state class into this class (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState.  Renamed<a name="line.62"></a>
<span class="sourceLineNo">063</span> *               XYToolTipGenerator --&gt; XYItemLabelGenerator (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               getYValue() (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * 11-Nov-2004 : Now uses ShapeUtilities to translate shapes (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 19-Jan-2005 : Now accesses primitives only from dataset (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 21-Mar-2005 : Override getLegendItem() and equals() methods (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 20-Apr-2005 : Use generators for legend tooltips and URLs (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 06-Feb-2007 : Fixed bug 1086307, crosshairs with multiple axes (DG);<a name="line.71"></a>
<span class="sourceLineNo">072</span> * 14-Feb-2007 : Fixed bug in clone() (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 20-Apr-2007 : Updated getLegendItem() for renderer change (DG);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 04-May-2007 : Set processVisibleItemsOnly flag to false (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);<a name="line.75"></a>
<span class="sourceLineNo">076</span> * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * 17-Jun-2008 : Apply legend font and paint attributes (DG);<a name="line.77"></a>
<span class="sourceLineNo">078</span> * 31-Dec-2008 : Fix for bug 2471906 - dashed outlines performance issue (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 11-Jun-2009 : Added a useFillPaint flag and a GradientPaintTransformer for<a name="line.79"></a>
<span class="sourceLineNo">080</span> *               the paint under the series (DG);<a name="line.80"></a>
<span class="sourceLineNo">081</span> * 06-Oct-2011 : Avoid GeneralPath methods requiring Java 1.5 (MK);<a name="line.81"></a>
<span class="sourceLineNo">082</span> *<a name="line.82"></a>
<span class="sourceLineNo">083</span> */<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>package org.jfree.chart.renderer.xy;<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>import java.awt.BasicStroke;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import java.awt.GradientPaint;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import java.awt.Graphics2D;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import java.awt.Paint;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import java.awt.Shape;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import java.awt.Stroke;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import java.awt.geom.Area;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import java.awt.geom.GeneralPath;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import java.awt.geom.Line2D;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import java.awt.geom.Rectangle2D;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import java.io.IOException;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import java.io.ObjectInputStream;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import java.io.ObjectOutputStream;<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>import org.jfree.chart.HashUtilities;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import org.jfree.chart.LegendItem;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import org.jfree.chart.axis.ValueAxis;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import org.jfree.chart.entity.EntityCollection;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import org.jfree.chart.event.RendererChangeEvent;<a name="line.105"></a>
<span class="sourceLineNo">106</span>import org.jfree.chart.labels.XYSeriesLabelGenerator;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import org.jfree.chart.labels.XYToolTipGenerator;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import org.jfree.chart.plot.CrosshairState;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import org.jfree.chart.plot.PlotOrientation;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.110"></a>
<span class="sourceLineNo">111</span>import org.jfree.chart.plot.XYPlot;<a name="line.111"></a>
<span class="sourceLineNo">112</span>import org.jfree.chart.urls.XYURLGenerator;<a name="line.112"></a>
<span class="sourceLineNo">113</span>import org.jfree.data.xy.XYDataset;<a name="line.113"></a>
<span class="sourceLineNo">114</span>import org.jfree.io.SerialUtilities;<a name="line.114"></a>
<span class="sourceLineNo">115</span>import org.jfree.ui.GradientPaintTransformer;<a name="line.115"></a>
<span class="sourceLineNo">116</span>import org.jfree.ui.StandardGradientPaintTransformer;<a name="line.116"></a>
<span class="sourceLineNo">117</span>import org.jfree.util.PublicCloneable;<a name="line.117"></a>
<span class="sourceLineNo">118</span>import org.jfree.util.ShapeUtilities;<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span>/**<a name="line.120"></a>
<span class="sourceLineNo">121</span> * Area item renderer for an {@link XYPlot}.  This class can draw (a) shapes at<a name="line.121"></a>
<span class="sourceLineNo">122</span> * each point, or (b) lines between points, or (c) both shapes and lines,<a name="line.122"></a>
<span class="sourceLineNo">123</span> * or (d) filled areas, or (e) filled areas and shapes. The example shown here<a name="line.123"></a>
<span class="sourceLineNo">124</span> * is generated by the &lt;code&gt;XYAreaRendererDemo1.java&lt;/code&gt; program included<a name="line.124"></a>
<span class="sourceLineNo">125</span> * in the JFreeChart demo collection:<a name="line.125"></a>
<span class="sourceLineNo">126</span> * &lt;br&gt;&lt;br&gt;<a name="line.126"></a>
<span class="sourceLineNo">127</span> * &lt;img src="../../../../../images/XYAreaRendererSample.png"<a name="line.127"></a>
<span class="sourceLineNo">128</span> * alt="XYAreaRendererSample.png" /&gt;<a name="line.128"></a>
<span class="sourceLineNo">129</span> */<a name="line.129"></a>
<span class="sourceLineNo">130</span>public class XYAreaRenderer extends AbstractXYItemRenderer<a name="line.130"></a>
<span class="sourceLineNo">131</span>        implements XYItemRenderer, PublicCloneable {<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span>    /** For serialization. */<a name="line.133"></a>
<span class="sourceLineNo">134</span>    private static final long serialVersionUID = -4481971353973876747L;<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>    /**<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * A state object used by this renderer.<a name="line.137"></a>
<span class="sourceLineNo">138</span>     */<a name="line.138"></a>
<span class="sourceLineNo">139</span>    static class XYAreaRendererState extends XYItemRendererState {<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>        /** Working storage for the area under one series. */<a name="line.141"></a>
<span class="sourceLineNo">142</span>        public GeneralPath area;<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>        /** Working line that can be recycled. */<a name="line.144"></a>
<span class="sourceLineNo">145</span>        public Line2D line;<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>        /**<a name="line.147"></a>
<span class="sourceLineNo">148</span>         * Creates a new state.<a name="line.148"></a>
<span class="sourceLineNo">149</span>         *<a name="line.149"></a>
<span class="sourceLineNo">150</span>         * @param info  the plot rendering info.<a name="line.150"></a>
<span class="sourceLineNo">151</span>         */<a name="line.151"></a>
<span class="sourceLineNo">152</span>        public XYAreaRendererState(PlotRenderingInfo info) {<a name="line.152"></a>
<span class="sourceLineNo">153</span>            super(info);<a name="line.153"></a>
<span class="sourceLineNo">154</span>            this.area = new GeneralPath();<a name="line.154"></a>
<span class="sourceLineNo">155</span>            this.line = new Line2D.Double();<a name="line.155"></a>
<span class="sourceLineNo">156</span>        }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>    }<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span>    /** Useful constant for specifying the type of rendering (shapes only). */<a name="line.160"></a>
<span class="sourceLineNo">161</span>    public static final int SHAPES = 1;<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span>    /** Useful constant for specifying the type of rendering (lines only). */<a name="line.163"></a>
<span class="sourceLineNo">164</span>    public static final int LINES = 2;<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span>    /**<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * Useful constant for specifying the type of rendering (shapes and lines).<a name="line.167"></a>
<span class="sourceLineNo">168</span>     */<a name="line.168"></a>
<span class="sourceLineNo">169</span>    public static final int SHAPES_AND_LINES = 3;<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span>    /** Useful constant for specifying the type of rendering (area only). */<a name="line.171"></a>
<span class="sourceLineNo">172</span>    public static final int AREA = 4;<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>    /**<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * Useful constant for specifying the type of rendering (area and shapes).<a name="line.175"></a>
<span class="sourceLineNo">176</span>     */<a name="line.176"></a>
<span class="sourceLineNo">177</span>    public static final int AREA_AND_SHAPES = 5;<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /** A flag indicating whether or not shapes are drawn at each XY point. */<a name="line.179"></a>
<span class="sourceLineNo">180</span>    private boolean plotShapes;<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span>    /** A flag indicating whether or not lines are drawn between XY points. */<a name="line.182"></a>
<span class="sourceLineNo">183</span>    private boolean plotLines;<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>    /** A flag indicating whether or not Area are drawn at each XY point. */<a name="line.185"></a>
<span class="sourceLineNo">186</span>    private boolean plotArea;<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span>    /** A flag that controls whether or not the outline is shown. */<a name="line.188"></a>
<span class="sourceLineNo">189</span>    private boolean showOutline;<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span>    /**<a name="line.191"></a>
<span class="sourceLineNo">192</span>     * The shape used to represent an area in each legend item (this should<a name="line.192"></a>
<span class="sourceLineNo">193</span>     * never be &lt;code&gt;null&lt;/code&gt;).<a name="line.193"></a>
<span class="sourceLineNo">194</span>     */<a name="line.194"></a>
<span class="sourceLineNo">195</span>    private transient Shape legendArea;<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>    /**<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * A flag that can be set to specify that the fill paint should be used<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * to fill the area under the renderer.<a name="line.199"></a>
<span class="sourceLineNo">200</span>     * <a name="line.200"></a>
<span class="sourceLineNo">201</span>     * @since 1.0.14<a name="line.201"></a>
<span class="sourceLineNo">202</span>     */<a name="line.202"></a>
<span class="sourceLineNo">203</span>    private boolean useFillPaint;<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>    /**<a name="line.205"></a>
<span class="sourceLineNo">206</span>     * A transformer that is applied to the paint used to fill under the<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * area *if* it is an instance of GradientPaint.<a name="line.207"></a>
<span class="sourceLineNo">208</span>     *<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * @since 1.0.14<a name="line.209"></a>
<span class="sourceLineNo">210</span>     */<a name="line.210"></a>
<span class="sourceLineNo">211</span>    private GradientPaintTransformer gradientTransformer;<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span>    /**<a name="line.213"></a>
<span class="sourceLineNo">214</span>     * Constructs a new renderer.<a name="line.214"></a>
<span class="sourceLineNo">215</span>     */<a name="line.215"></a>
<span class="sourceLineNo">216</span>    public XYAreaRenderer() {<a name="line.216"></a>
<span class="sourceLineNo">217</span>        this(AREA);<a name="line.217"></a>
<span class="sourceLineNo">218</span>    }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>    /**<a name="line.220"></a>
<span class="sourceLineNo">221</span>     * Constructs a new renderer.<a name="line.221"></a>
<span class="sourceLineNo">222</span>     *<a name="line.222"></a>
<span class="sourceLineNo">223</span>     * @param type  the type of the renderer.<a name="line.223"></a>
<span class="sourceLineNo">224</span>     */<a name="line.224"></a>
<span class="sourceLineNo">225</span>    public XYAreaRenderer(int type) {<a name="line.225"></a>
<span class="sourceLineNo">226</span>        this(type, null, null);<a name="line.226"></a>
<span class="sourceLineNo">227</span>    }<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span>    /**<a name="line.229"></a>
<span class="sourceLineNo">230</span>     * Constructs a new renderer.  To specify the type of renderer, use one of<a name="line.230"></a>
<span class="sourceLineNo">231</span>     * the constants: &lt;code&gt;SHAPES&lt;/code&gt;, &lt;code&gt;LINES&lt;/code&gt;,<a name="line.231"></a>
<span class="sourceLineNo">232</span>     * &lt;code&gt;SHAPES_AND_LINES&lt;/code&gt;, &lt;code&gt;AREA&lt;/code&gt; or<a name="line.232"></a>
<span class="sourceLineNo">233</span>     * &lt;code&gt;AREA_AND_SHAPES&lt;/code&gt;.<a name="line.233"></a>
<span class="sourceLineNo">234</span>     *<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * @param type  the type of renderer.<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * @param toolTipGenerator  the tool tip generator to use<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *                          (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @param urlGenerator  the URL generator (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.238"></a>
<span class="sourceLineNo">239</span>     */<a name="line.239"></a>
<span class="sourceLineNo">240</span>    public XYAreaRenderer(int type, XYToolTipGenerator toolTipGenerator,<a name="line.240"></a>
<span class="sourceLineNo">241</span>                          XYURLGenerator urlGenerator) {<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span>        super();<a name="line.243"></a>
<span class="sourceLineNo">244</span>        setBaseToolTipGenerator(toolTipGenerator);<a name="line.244"></a>
<span class="sourceLineNo">245</span>        setURLGenerator(urlGenerator);<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span>        if (type == SHAPES) {<a name="line.247"></a>
<span class="sourceLineNo">248</span>            this.plotShapes = true;<a name="line.248"></a>
<span class="sourceLineNo">249</span>        }<a name="line.249"></a>
<span class="sourceLineNo">250</span>        if (type == LINES) {<a name="line.250"></a>
<span class="sourceLineNo">251</span>            this.plotLines = true;<a name="line.251"></a>
<span class="sourceLineNo">252</span>        }<a name="line.252"></a>
<span class="sourceLineNo">253</span>        if (type == SHAPES_AND_LINES) {<a name="line.253"></a>
<span class="sourceLineNo">254</span>            this.plotShapes = true;<a name="line.254"></a>
<span class="sourceLineNo">255</span>            this.plotLines = true;<a name="line.255"></a>
<span class="sourceLineNo">256</span>        }<a name="line.256"></a>
<span class="sourceLineNo">257</span>        if (type == AREA) {<a name="line.257"></a>
<span class="sourceLineNo">258</span>            this.plotArea = true;<a name="line.258"></a>
<span class="sourceLineNo">259</span>        }<a name="line.259"></a>
<span class="sourceLineNo">260</span>        if (type == AREA_AND_SHAPES) {<a name="line.260"></a>
<span class="sourceLineNo">261</span>            this.plotArea = true;<a name="line.261"></a>
<span class="sourceLineNo">262</span>            this.plotShapes = true;<a name="line.262"></a>
<span class="sourceLineNo">263</span>        }<a name="line.263"></a>
<span class="sourceLineNo">264</span>        this.showOutline = false;<a name="line.264"></a>
<span class="sourceLineNo">265</span>        GeneralPath area = new GeneralPath();<a name="line.265"></a>
<span class="sourceLineNo">266</span>        area.moveTo(0.0f, -4.0f);<a name="line.266"></a>
<span class="sourceLineNo">267</span>        area.lineTo(3.0f, -2.0f);<a name="line.267"></a>
<span class="sourceLineNo">268</span>        area.lineTo(4.0f, 4.0f);<a name="line.268"></a>
<span class="sourceLineNo">269</span>        area.lineTo(-4.0f, 4.0f);<a name="line.269"></a>
<span class="sourceLineNo">270</span>        area.lineTo(-3.0f, -2.0f);<a name="line.270"></a>
<span class="sourceLineNo">271</span>        area.closePath();<a name="line.271"></a>
<span class="sourceLineNo">272</span>        this.legendArea = area;<a name="line.272"></a>
<span class="sourceLineNo">273</span>        this.useFillPaint = false;<a name="line.273"></a>
<span class="sourceLineNo">274</span>        this.gradientTransformer = new StandardGradientPaintTransformer();<a name="line.274"></a>
<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>    /**<a name="line.277"></a>
<span class="sourceLineNo">278</span>     * Returns true if shapes are being plotted by the renderer.<a name="line.278"></a>
<span class="sourceLineNo">279</span>     *<a name="line.279"></a>
<span class="sourceLineNo">280</span>     * @return &lt;code&gt;true&lt;/code&gt; if shapes are being plotted by the renderer.<a name="line.280"></a>
<span class="sourceLineNo">281</span>     */<a name="line.281"></a>
<span class="sourceLineNo">282</span>    public boolean getPlotShapes() {<a name="line.282"></a>
<span class="sourceLineNo">283</span>        return this.plotShapes;<a name="line.283"></a>
<span class="sourceLineNo">284</span>    }<a name="line.284"></a>
<span class="sourceLineNo">285</span><a name="line.285"></a>
<span class="sourceLineNo">286</span>    /**<a name="line.286"></a>
<span class="sourceLineNo">287</span>     * Returns true if lines are being plotted by the renderer.<a name="line.287"></a>
<span class="sourceLineNo">288</span>     *<a name="line.288"></a>
<span class="sourceLineNo">289</span>     * @return &lt;code&gt;true&lt;/code&gt; if lines are being plotted by the renderer.<a name="line.289"></a>
<span class="sourceLineNo">290</span>     */<a name="line.290"></a>
<span class="sourceLineNo">291</span>    public boolean getPlotLines() {<a name="line.291"></a>
<span class="sourceLineNo">292</span>        return this.plotLines;<a name="line.292"></a>
<span class="sourceLineNo">293</span>    }<a name="line.293"></a>
<span class="sourceLineNo">294</span><a name="line.294"></a>
<span class="sourceLineNo">295</span>    /**<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * Returns true if Area is being plotted by the renderer.<a name="line.296"></a>
<span class="sourceLineNo">297</span>     *<a name="line.297"></a>
<span class="sourceLineNo">298</span>     * @return &lt;code&gt;true&lt;/code&gt; if Area is being plotted by the renderer.<a name="line.298"></a>
<span class="sourceLineNo">299</span>     */<a name="line.299"></a>
<span class="sourceLineNo">300</span>    public boolean getPlotArea() {<a name="line.300"></a>
<span class="sourceLineNo">301</span>        return this.plotArea;<a name="line.301"></a>
<span class="sourceLineNo">302</span>    }<a name="line.302"></a>
<span class="sourceLineNo">303</span><a name="line.303"></a>
<span class="sourceLineNo">304</span>    /**<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * Returns a flag that controls whether or not outlines of the areas are<a name="line.305"></a>
<span class="sourceLineNo">306</span>     * drawn.<a name="line.306"></a>
<span class="sourceLineNo">307</span>     *<a name="line.307"></a>
<span class="sourceLineNo">308</span>     * @return The flag.<a name="line.308"></a>
<span class="sourceLineNo">309</span>     *<a name="line.309"></a>
<span class="sourceLineNo">310</span>     * @see #setOutline(boolean)<a name="line.310"></a>
<span class="sourceLineNo">311</span>     */<a name="line.311"></a>
<span class="sourceLineNo">312</span>    public boolean isOutline() {<a name="line.312"></a>
<span class="sourceLineNo">313</span>        return this.showOutline;<a name="line.313"></a>
<span class="sourceLineNo">314</span>    }<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>
<span class="sourceLineNo">316</span>    /**<a name="line.316"></a>
<span class="sourceLineNo">317</span>     * Sets a flag that controls whether or not outlines of the areas are drawn<a name="line.317"></a>
<span class="sourceLineNo">318</span>     * and sends a {@link RendererChangeEvent} to all registered listeners.<a name="line.318"></a>
<span class="sourceLineNo">319</span>     *<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * @param show  the flag.<a name="line.320"></a>
<span class="sourceLineNo">321</span>     *<a name="line.321"></a>
<span class="sourceLineNo">322</span>     * @see #isOutline()<a name="line.322"></a>
<span class="sourceLineNo">323</span>     */<a name="line.323"></a>
<span class="sourceLineNo">324</span>    public void setOutline(boolean show) {<a name="line.324"></a>
<span class="sourceLineNo">325</span>        this.showOutline = show;<a name="line.325"></a>
<span class="sourceLineNo">326</span>        fireChangeEvent();<a name="line.326"></a>
<span class="sourceLineNo">327</span>    }<a name="line.327"></a>
<span class="sourceLineNo">328</span><a name="line.328"></a>
<span class="sourceLineNo">329</span>    /**<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * Returns the shape used to represent an area in the legend.<a name="line.330"></a>
<span class="sourceLineNo">331</span>     *<a name="line.331"></a>
<span class="sourceLineNo">332</span>     * @return The legend area (never &lt;code&gt;null&lt;/code&gt;).<a name="line.332"></a>
<span class="sourceLineNo">333</span>     */<a name="line.333"></a>
<span class="sourceLineNo">334</span>    public Shape getLegendArea() {<a name="line.334"></a>
<span class="sourceLineNo">335</span>        return this.legendArea;<a name="line.335"></a>
<span class="sourceLineNo">336</span>    }<a name="line.336"></a>
<span class="sourceLineNo">337</span><a name="line.337"></a>
<span class="sourceLineNo">338</span>    /**<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * Sets the shape used as an area in each legend item and sends a<a name="line.339"></a>
<span class="sourceLineNo">340</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.340"></a>
<span class="sourceLineNo">341</span>     *<a name="line.341"></a>
<span class="sourceLineNo">342</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.342"></a>
<span class="sourceLineNo">343</span>     */<a name="line.343"></a>
<span class="sourceLineNo">344</span>    public void setLegendArea(Shape area) {<a name="line.344"></a>
<span class="sourceLineNo">345</span>        if (area == null) {<a name="line.345"></a>
<span class="sourceLineNo">346</span>            throw new IllegalArgumentException("Null 'area' argument.");<a name="line.346"></a>
<span class="sourceLineNo">347</span>        }<a name="line.347"></a>
<span class="sourceLineNo">348</span>        this.legendArea = area;<a name="line.348"></a>
<span class="sourceLineNo">349</span>        fireChangeEvent();<a name="line.349"></a>
<span class="sourceLineNo">350</span>    }<a name="line.350"></a>
<span class="sourceLineNo">351</span><a name="line.351"></a>
<span class="sourceLineNo">352</span>    /**<a name="line.352"></a>
<span class="sourceLineNo">353</span>     * Returns the flag that controls whether the series fill paint is used to<a name="line.353"></a>
<span class="sourceLineNo">354</span>     * fill the area under the line.<a name="line.354"></a>
<span class="sourceLineNo">355</span>     *<a name="line.355"></a>
<span class="sourceLineNo">356</span>     * @return A boolean.<a name="line.356"></a>
<span class="sourceLineNo">357</span>     *<a name="line.357"></a>
<span class="sourceLineNo">358</span>     * @since 1.0.14<a name="line.358"></a>
<span class="sourceLineNo">359</span>     */<a name="line.359"></a>
<span class="sourceLineNo">360</span>    public boolean getUseFillPaint() {<a name="line.360"></a>
<span class="sourceLineNo">361</span>        return this.useFillPaint;<a name="line.361"></a>
<span class="sourceLineNo">362</span>    }<a name="line.362"></a>
<span class="sourceLineNo">363</span><a name="line.363"></a>
<span class="sourceLineNo">364</span>    /**<a name="line.364"></a>
<span class="sourceLineNo">365</span>     * Sets the flag that controls whether or not the series fill paint is<a name="line.365"></a>
<span class="sourceLineNo">366</span>     * used to fill the area under the line and sends a<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * {@link RendererChangeEvent} to all listeners.<a name="line.367"></a>
<span class="sourceLineNo">368</span>     *<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * @param use  the new flag value.<a name="line.369"></a>
<span class="sourceLineNo">370</span>     *<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @since 1.0.14<a name="line.371"></a>
<span class="sourceLineNo">372</span>     */<a name="line.372"></a>
<span class="sourceLineNo">373</span>    public void setUseFillPaint(boolean use) {<a name="line.373"></a>
<span class="sourceLineNo">374</span>        this.useFillPaint = use;<a name="line.374"></a>
<span class="sourceLineNo">375</span>        fireChangeEvent();<a name="line.375"></a>
<span class="sourceLineNo">376</span>    }<a name="line.376"></a>
<span class="sourceLineNo">377</span><a name="line.377"></a>
<span class="sourceLineNo">378</span>    /**<a name="line.378"></a>
<span class="sourceLineNo">379</span>     * Returns the gradient paint transformer.<a name="line.379"></a>
<span class="sourceLineNo">380</span>     *<a name="line.380"></a>
<span class="sourceLineNo">381</span>     * @return The gradient paint transformer (never &lt;code&gt;null&lt;/code&gt;).<a name="line.381"></a>
<span class="sourceLineNo">382</span>     *<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * @since 1.0.14<a name="line.383"></a>
<span class="sourceLineNo">384</span>     */<a name="line.384"></a>
<span class="sourceLineNo">385</span>    public GradientPaintTransformer getGradientTransformer() {<a name="line.385"></a>
<span class="sourceLineNo">386</span>        return this.gradientTransformer;<a name="line.386"></a>
<span class="sourceLineNo">387</span>    }<a name="line.387"></a>
<span class="sourceLineNo">388</span><a name="line.388"></a>
<span class="sourceLineNo">389</span>    /**<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * Sets the gradient paint transformer and sends a<a name="line.390"></a>
<span class="sourceLineNo">391</span>     * {@link RendererChangeEvent} to all registered listeners.<a name="line.391"></a>
<span class="sourceLineNo">392</span>     *<a name="line.392"></a>
<span class="sourceLineNo">393</span>     * @param transformer  the transformer (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.393"></a>
<span class="sourceLineNo">394</span>     *<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * @since 1.0.14<a name="line.395"></a>
<span class="sourceLineNo">396</span>     */<a name="line.396"></a>
<span class="sourceLineNo">397</span>    public void setGradientTransformer(GradientPaintTransformer transformer) {<a name="line.397"></a>
<span class="sourceLineNo">398</span>        if (transformer == null) {<a name="line.398"></a>
<span class="sourceLineNo">399</span>            throw new IllegalArgumentException("Null 'transformer' argument.");<a name="line.399"></a>
<span class="sourceLineNo">400</span>        }<a name="line.400"></a>
<span class="sourceLineNo">401</span>        this.gradientTransformer = transformer;<a name="line.401"></a>
<span class="sourceLineNo">402</span>        fireChangeEvent();<a name="line.402"></a>
<span class="sourceLineNo">403</span>    }<a name="line.403"></a>
<span class="sourceLineNo">404</span><a name="line.404"></a>
<span class="sourceLineNo">405</span>    /**<a name="line.405"></a>
<span class="sourceLineNo">406</span>     * Initialises the renderer and returns a state object that should be<a name="line.406"></a>
<span class="sourceLineNo">407</span>     * passed to all subsequent calls to the drawItem() method.<a name="line.407"></a>
<span class="sourceLineNo">408</span>     *<a name="line.408"></a>
<span class="sourceLineNo">409</span>     * @param g2  the graphics device.<a name="line.409"></a>
<span class="sourceLineNo">410</span>     * @param dataArea  the area inside the axes.<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * @param plot  the plot.<a name="line.411"></a>
<span class="sourceLineNo">412</span>     * @param data  the data.<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * @param info  an optional info collection object to return data back to<a name="line.413"></a>
<span class="sourceLineNo">414</span>     *              the caller.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     *<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * @return A state object for use by the renderer.<a name="line.416"></a>
<span class="sourceLineNo">417</span>     */<a name="line.417"></a>
<span class="sourceLineNo">418</span>    public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea,<a name="line.418"></a>
<span class="sourceLineNo">419</span>            XYPlot plot, XYDataset data, PlotRenderingInfo info) {<a name="line.419"></a>
<span class="sourceLineNo">420</span>        XYAreaRendererState state = new XYAreaRendererState(info);<a name="line.420"></a>
<span class="sourceLineNo">421</span><a name="line.421"></a>
<span class="sourceLineNo">422</span>        // in the rendering process, there is special handling for item<a name="line.422"></a>
<span class="sourceLineNo">423</span>        // zero, so we can't support processing of visible data items only<a name="line.423"></a>
<span class="sourceLineNo">424</span>        state.setProcessVisibleItemsOnly(false);<a name="line.424"></a>
<span class="sourceLineNo">425</span>        return state;<a name="line.425"></a>
<span class="sourceLineNo">426</span>    }<a name="line.426"></a>
<span class="sourceLineNo">427</span><a name="line.427"></a>
<span class="sourceLineNo">428</span>    /**<a name="line.428"></a>
<span class="sourceLineNo">429</span>     * Returns a default legend item for the specified series.  Subclasses<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * should override this method to generate customised items.<a name="line.430"></a>
<span class="sourceLineNo">431</span>     *<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * @param datasetIndex  the dataset index (zero-based).<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * @param series  the series index (zero-based).<a name="line.433"></a>
<span class="sourceLineNo">434</span>     *<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * @return A legend item for the series.<a name="line.435"></a>
<span class="sourceLineNo">436</span>     */<a name="line.436"></a>
<span class="sourceLineNo">437</span>    public LegendItem getLegendItem(int datasetIndex, int series) {<a name="line.437"></a>
<span class="sourceLineNo">438</span>        LegendItem result = null;<a name="line.438"></a>
<span class="sourceLineNo">439</span>        XYPlot xyplot = getPlot();<a name="line.439"></a>
<span class="sourceLineNo">440</span>        if (xyplot != null) {<a name="line.440"></a>
<span class="sourceLineNo">441</span>            XYDataset dataset = xyplot.getDataset(datasetIndex);<a name="line.441"></a>
<span class="sourceLineNo">442</span>            if (dataset != null) {<a name="line.442"></a>
<span class="sourceLineNo">443</span>                XYSeriesLabelGenerator lg = getLegendItemLabelGenerator();<a name="line.443"></a>
<span class="sourceLineNo">444</span>                String label = lg.generateLabel(dataset, series);<a name="line.444"></a>
<span class="sourceLineNo">445</span>                String description = label;<a name="line.445"></a>
<span class="sourceLineNo">446</span>                String toolTipText = null;<a name="line.446"></a>
<span class="sourceLineNo">447</span>                if (getLegendItemToolTipGenerator() != null) {<a name="line.447"></a>
<span class="sourceLineNo">448</span>                    toolTipText = getLegendItemToolTipGenerator().generateLabel(<a name="line.448"></a>
<span class="sourceLineNo">449</span>                            dataset, series);<a name="line.449"></a>
<span class="sourceLineNo">450</span>                }<a name="line.450"></a>
<span class="sourceLineNo">451</span>                String urlText = null;<a name="line.451"></a>
<span class="sourceLineNo">452</span>                if (getLegendItemURLGenerator() != null) {<a name="line.452"></a>
<span class="sourceLineNo">453</span>                    urlText = getLegendItemURLGenerator().generateLabel(<a name="line.453"></a>
<span class="sourceLineNo">454</span>                            dataset, series);<a name="line.454"></a>
<span class="sourceLineNo">455</span>                }<a name="line.455"></a>
<span class="sourceLineNo">456</span>                Paint paint = lookupSeriesPaint(series);<a name="line.456"></a>
<span class="sourceLineNo">457</span>                result = new LegendItem(label, description, toolTipText,<a name="line.457"></a>
<span class="sourceLineNo">458</span>                        urlText, this.legendArea, paint);<a name="line.458"></a>
<span class="sourceLineNo">459</span>                result.setLabelFont(lookupLegendTextFont(series));<a name="line.459"></a>
<span class="sourceLineNo">460</span>                Paint labelPaint = lookupLegendTextPaint(series);<a name="line.460"></a>
<span class="sourceLineNo">461</span>                if (labelPaint != null) {<a name="line.461"></a>
<span class="sourceLineNo">462</span>                    result.setLabelPaint(labelPaint);<a name="line.462"></a>
<span class="sourceLineNo">463</span>                }<a name="line.463"></a>
<span class="sourceLineNo">464</span>                result.setDataset(dataset);<a name="line.464"></a>
<span class="sourceLineNo">465</span>                result.setDatasetIndex(datasetIndex);<a name="line.465"></a>
<span class="sourceLineNo">466</span>                result.setSeriesKey(dataset.getSeriesKey(series));<a name="line.466"></a>
<span class="sourceLineNo">467</span>                result.setSeriesIndex(series);<a name="line.467"></a>
<span class="sourceLineNo">468</span>            }<a name="line.468"></a>
<span class="sourceLineNo">469</span>        }<a name="line.469"></a>
<span class="sourceLineNo">470</span>        return result;<a name="line.470"></a>
<span class="sourceLineNo">471</span>    }<a name="line.471"></a>
<span class="sourceLineNo">472</span><a name="line.472"></a>
<span class="sourceLineNo">473</span>    /**<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * Draws the visual representation of a single data item.<a name="line.474"></a>
<span class="sourceLineNo">475</span>     *<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * @param g2  the graphics device.<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * @param state  the renderer state.<a name="line.477"></a>
<span class="sourceLineNo">478</span>     * @param dataArea  the area within which the data is being drawn.<a name="line.478"></a>
<span class="sourceLineNo">479</span>     * @param info  collects information about the drawing.<a name="line.479"></a>
<span class="sourceLineNo">480</span>     * @param plot  the plot (can be used to obtain standard color information<a name="line.480"></a>
<span class="sourceLineNo">481</span>     *              etc).<a name="line.481"></a>
<span class="sourceLineNo">482</span>     * @param domainAxis  the domain axis.<a name="line.482"></a>
<span class="sourceLineNo">483</span>     * @param rangeAxis  the range axis.<a name="line.483"></a>
<span class="sourceLineNo">484</span>     * @param dataset  the dataset.<a name="line.484"></a>
<span class="sourceLineNo">485</span>     * @param series  the series index (zero-based).<a name="line.485"></a>
<span class="sourceLineNo">486</span>     * @param item  the item index (zero-based).<a name="line.486"></a>
<span class="sourceLineNo">487</span>     * @param crosshairState  crosshair information for the plot<a name="line.487"></a>
<span class="sourceLineNo">488</span>     *                        (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.488"></a>
<span class="sourceLineNo">489</span>     * @param pass  the pass index.<a name="line.489"></a>
<span class="sourceLineNo">490</span>     */<a name="line.490"></a>
<span class="sourceLineNo">491</span>    public void drawItem(Graphics2D g2, XYItemRendererState state,<a name="line.491"></a>
<span class="sourceLineNo">492</span>            Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot,<a name="line.492"></a>
<span class="sourceLineNo">493</span>            ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset,<a name="line.493"></a>
<span class="sourceLineNo">494</span>            int series, int item, CrosshairState crosshairState, int pass) {<a name="line.494"></a>
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<span class="sourceLineNo">500</span><a name="line.500"></a>
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<span class="sourceLineNo">512</span>        // get the previous point and the next point so we can calculate a<a name="line.512"></a>
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<span class="sourceLineNo">523</span>                plot.getRangeAxisEdge());<a name="line.523"></a>
<span class="sourceLineNo">524</span><a name="line.524"></a>
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<span class="sourceLineNo">526</span>                itemCount - 1));<a name="line.526"></a>
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<span class="sourceLineNo">528</span>                itemCount - 1));<a name="line.528"></a>
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<span class="sourceLineNo">536</span><a name="line.536"></a>
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<span class="sourceLineNo">542</span>            lineTo(hotspot, ((transY0 + transY1) / 2.0), <a name="line.542"></a>
<span class="sourceLineNo">543</span>                            ((transX0 + transX1) / 2.0));<a name="line.543"></a>
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<span class="sourceLineNo">545</span>            lineTo(hotspot, ((transY1 + transY2) / 2.0), <a name="line.545"></a>
<span class="sourceLineNo">546</span>                            ((transX1 + transX2) / 2.0));<a name="line.546"></a>
<span class="sourceLineNo">547</span>            lineTo(hotspot, transZero, ((transX1 + transX2) / 2.0));<a name="line.547"></a>
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<span class="sourceLineNo">551</span>            lineTo(hotspot, ((transX0 + transX1) / 2.0),<a name="line.551"></a>
<span class="sourceLineNo">552</span>                            ((transY0 + transY1) / 2.0));<a name="line.552"></a>
<span class="sourceLineNo">553</span>            lineTo(hotspot, transX1, transY1);<a name="line.553"></a>
<span class="sourceLineNo">554</span>            lineTo(hotspot, ((transX1 + transX2) / 2.0),<a name="line.554"></a>
<span class="sourceLineNo">555</span>                            ((transY1 + transY2) / 2.0));<a name="line.555"></a>
<span class="sourceLineNo">556</span>            lineTo(hotspot, ((transX1 + transX2) / 2.0), transZero);<a name="line.556"></a>
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<span class="sourceLineNo">558</span>        hotspot.closePath();<a name="line.558"></a>
<span class="sourceLineNo">559</span><a name="line.559"></a>
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<span class="sourceLineNo">564</span>                    plot.getRangeAxisEdge());<a name="line.564"></a>
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<span class="sourceLineNo">585</span>        g2.setStroke(stroke);<a name="line.585"></a>
<span class="sourceLineNo">586</span><a name="line.586"></a>
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<span class="sourceLineNo">591</span>                shape = ShapeUtilities.createTranslatedShape(shape, transX1,<a name="line.591"></a>
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<span class="sourceLineNo">595</span>                shape = ShapeUtilities.createTranslatedShape(shape, transY1,<a name="line.595"></a>
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<span class="sourceLineNo">600</span><a name="line.600"></a>
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<span class="sourceLineNo">604</span>                    areaState.line.setLine(transX0, transY0, transX1, transY1);<a name="line.604"></a>
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<span class="sourceLineNo">607</span>                    areaState.line.setLine(transY0, transX0, transY1, transX1);<a name="line.607"></a>
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<span class="sourceLineNo">609</span>                g2.draw(areaState.line);<a name="line.609"></a>
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<span class="sourceLineNo">612</span><a name="line.612"></a>
<span class="sourceLineNo">613</span>        // Check if the item is the last item for the series.<a name="line.613"></a>
<span class="sourceLineNo">614</span>        // and number of items &gt; 0.  We can't draw an area for a single point.<a name="line.614"></a>
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<span class="sourceLineNo">616</span><a name="line.616"></a>
<span class="sourceLineNo">617</span>            if (orientation == PlotOrientation.VERTICAL) {<a name="line.617"></a>
<span class="sourceLineNo">618</span>                // Add the last point (x,0)<a name="line.618"></a>
<span class="sourceLineNo">619</span>                lineTo(areaState.area, transX1, transZero);<a name="line.619"></a>
<span class="sourceLineNo">620</span>                areaState.area.closePath();<a name="line.620"></a>
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<span class="sourceLineNo">622</span>            else if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.622"></a>
<span class="sourceLineNo">623</span>                // Add the last point (x,0)<a name="line.623"></a>
<span class="sourceLineNo">624</span>                lineTo(areaState.area, transZero, transX1);<a name="line.624"></a>
<span class="sourceLineNo">625</span>                areaState.area.closePath();<a name="line.625"></a>
<span class="sourceLineNo">626</span>            }<a name="line.626"></a>
<span class="sourceLineNo">627</span><a name="line.627"></a>
<span class="sourceLineNo">628</span>            if (this.useFillPaint) {<a name="line.628"></a>
<span class="sourceLineNo">629</span>                paint = lookupSeriesFillPaint(series);<a name="line.629"></a>
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<span class="sourceLineNo">631</span>            if (paint instanceof GradientPaint) {<a name="line.631"></a>
<span class="sourceLineNo">632</span>                GradientPaint gp = (GradientPaint) paint;<a name="line.632"></a>
<span class="sourceLineNo">633</span>                GradientPaint adjGP = this.gradientTransformer.transform(gp,<a name="line.633"></a>
<span class="sourceLineNo">634</span>                        dataArea);<a name="line.634"></a>
<span class="sourceLineNo">635</span>                g2.setPaint(adjGP);<a name="line.635"></a>
<span class="sourceLineNo">636</span>            }<a name="line.636"></a>
<span class="sourceLineNo">637</span>            g2.fill(areaState.area);<a name="line.637"></a>
<span class="sourceLineNo">638</span><a name="line.638"></a>
<span class="sourceLineNo">639</span>            // draw an outline around the Area.<a name="line.639"></a>
<span class="sourceLineNo">640</span>            if (isOutline()) {<a name="line.640"></a>
<span class="sourceLineNo">641</span>                Shape area = areaState.area;<a name="line.641"></a>
<span class="sourceLineNo">642</span><a name="line.642"></a>
<span class="sourceLineNo">643</span>                // Java2D has some issues drawing dashed lines around "large"<a name="line.643"></a>
<span class="sourceLineNo">644</span>                // geometrical shapes - for example, see bug 6620013 in the<a name="line.644"></a>
<span class="sourceLineNo">645</span>                // Java bug database.  So, we'll check if the outline is<a name="line.645"></a>
<span class="sourceLineNo">646</span>                // dashed and, if it is, do our own clipping before drawing<a name="line.646"></a>
<span class="sourceLineNo">647</span>                // the outline...<a name="line.647"></a>
<span class="sourceLineNo">648</span>                Stroke outlineStroke = lookupSeriesOutlineStroke(series);<a name="line.648"></a>
<span class="sourceLineNo">649</span>                if (outlineStroke instanceof BasicStroke) {<a name="line.649"></a>
<span class="sourceLineNo">650</span>                    BasicStroke bs = (BasicStroke) outlineStroke;<a name="line.650"></a>
<span class="sourceLineNo">651</span>                    if (bs.getDashArray() != null) {<a name="line.651"></a>
<span class="sourceLineNo">652</span>                        Area poly = new Area(areaState.area);<a name="line.652"></a>
<span class="sourceLineNo">653</span>                        // we make the clip region slightly larger than the<a name="line.653"></a>
<span class="sourceLineNo">654</span>                        // dataArea so that the clipped edges don't show lines<a name="line.654"></a>
<span class="sourceLineNo">655</span>                        // on the chart<a name="line.655"></a>
<span class="sourceLineNo">656</span>                        Area clip = new Area(new Rectangle2D.Double(<a name="line.656"></a>
<span class="sourceLineNo">657</span>                                dataArea.getX() - 5.0, dataArea.getY() - 5.0,<a name="line.657"></a>
<span class="sourceLineNo">658</span>                                dataArea.getWidth() + 10.0,<a name="line.658"></a>
<span class="sourceLineNo">659</span>                                dataArea.getHeight() + 10.0));<a name="line.659"></a>
<span class="sourceLineNo">660</span>                        poly.intersect(clip);<a name="line.660"></a>
<span class="sourceLineNo">661</span>                        area = poly;<a name="line.661"></a>
<span class="sourceLineNo">662</span>                    }<a name="line.662"></a>
<span class="sourceLineNo">663</span>                } // end of workaround<a name="line.663"></a>
<span class="sourceLineNo">664</span><a name="line.664"></a>
<span class="sourceLineNo">665</span>                g2.setStroke(outlineStroke);<a name="line.665"></a>
<span class="sourceLineNo">666</span>                g2.setPaint(lookupSeriesOutlinePaint(series));<a name="line.666"></a>
<span class="sourceLineNo">667</span>                g2.draw(area);<a name="line.667"></a>
<span class="sourceLineNo">668</span>            }<a name="line.668"></a>
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<span class="sourceLineNo">670</span><a name="line.670"></a>
<span class="sourceLineNo">671</span>        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);<a name="line.671"></a>
<span class="sourceLineNo">672</span>        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);<a name="line.672"></a>
<span class="sourceLineNo">673</span>        updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,<a name="line.673"></a>
<span class="sourceLineNo">674</span>                rangeAxisIndex, transX1, transY1, orientation);<a name="line.674"></a>
<span class="sourceLineNo">675</span><a name="line.675"></a>
<span class="sourceLineNo">676</span>        // collect entity and tool tip information...<a name="line.676"></a>
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<span class="sourceLineNo">686</span>     *<a name="line.686"></a>
<span class="sourceLineNo">687</span>     * @return A clone.<a name="line.687"></a>
<span class="sourceLineNo">688</span>     *<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * @throws CloneNotSupportedException  if the renderer cannot be cloned.<a name="line.689"></a>
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<span class="sourceLineNo">698</span>     * Tests this renderer for equality with an arbitrary object.<a name="line.698"></a>
<span class="sourceLineNo">699</span>     *<a name="line.699"></a>
<span class="sourceLineNo">700</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.700"></a>
<span class="sourceLineNo">701</span>     *<a name="line.701"></a>
<span class="sourceLineNo">702</span>     * @return A boolean.<a name="line.702"></a>
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<span class="sourceLineNo">735</span><a name="line.735"></a>
<span class="sourceLineNo">736</span>    /**<a name="line.736"></a>
<span class="sourceLineNo">737</span>     * Returns a hash code for this instance.<a name="line.737"></a>
<span class="sourceLineNo">738</span>     *<a name="line.738"></a>
<span class="sourceLineNo">739</span>     * @return A hash code.<a name="line.739"></a>
<span class="sourceLineNo">740</span>     */<a name="line.740"></a>
<span class="sourceLineNo">741</span>    public int hashCode() {<a name="line.741"></a>
<span class="sourceLineNo">742</span>        int result = super.hashCode();<a name="line.742"></a>
<span class="sourceLineNo">743</span>        result = HashUtilities.hashCode(result, this.plotArea);<a name="line.743"></a>
<span class="sourceLineNo">744</span>        result = HashUtilities.hashCode(result, this.plotLines);<a name="line.744"></a>
<span class="sourceLineNo">745</span>        result = HashUtilities.hashCode(result, this.plotShapes);<a name="line.745"></a>
<span class="sourceLineNo">746</span>        result = HashUtilities.hashCode(result, this.useFillPaint);<a name="line.746"></a>
<span class="sourceLineNo">747</span>        return result;<a name="line.747"></a>
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<span class="sourceLineNo">750</span>    /**<a name="line.750"></a>
<span class="sourceLineNo">751</span>     * Provides serialization support.<a name="line.751"></a>
<span class="sourceLineNo">752</span>     *<a name="line.752"></a>
<span class="sourceLineNo">753</span>     * @param stream  the input stream.<a name="line.753"></a>
<span class="sourceLineNo">754</span>     *<a name="line.754"></a>
<span class="sourceLineNo">755</span>     * @throws IOException  if there is an I/O error.<a name="line.755"></a>
<span class="sourceLineNo">756</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.756"></a>
<span class="sourceLineNo">757</span>     */<a name="line.757"></a>
<span class="sourceLineNo">758</span>    private void readObject(ObjectInputStream stream)<a name="line.758"></a>
<span class="sourceLineNo">759</span>            throws IOException, ClassNotFoundException {<a name="line.759"></a>
<span class="sourceLineNo">760</span>        stream.defaultReadObject();<a name="line.760"></a>
<span class="sourceLineNo">761</span>        this.legendArea = SerialUtilities.readShape(stream);<a name="line.761"></a>
<span class="sourceLineNo">762</span>    }<a name="line.762"></a>
<span class="sourceLineNo">763</span><a name="line.763"></a>
<span class="sourceLineNo">764</span>    /**<a name="line.764"></a>
<span class="sourceLineNo">765</span>     * Provides serialization support.<a name="line.765"></a>
<span class="sourceLineNo">766</span>     *<a name="line.766"></a>
<span class="sourceLineNo">767</span>     * @param stream  the output stream.<a name="line.767"></a>
<span class="sourceLineNo">768</span>     *<a name="line.768"></a>
<span class="sourceLineNo">769</span>     * @throws IOException  if there is an I/O error.<a name="line.769"></a>
<span class="sourceLineNo">770</span>     */<a name="line.770"></a>
<span class="sourceLineNo">771</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.771"></a>
<span class="sourceLineNo">772</span>        stream.defaultWriteObject();<a name="line.772"></a>
<span class="sourceLineNo">773</span>        SerialUtilities.writeShape(this.legendArea, stream);<a name="line.773"></a>
<span class="sourceLineNo">774</span>    }<a name="line.774"></a>
<span class="sourceLineNo">775</span>}<a name="line.775"></a>




























































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